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Finding the Fourth Proportional to 88,275.65, 121,819.88 and 50,042.40

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Solution

The fourth proportional to 88,275.65, 121,819.88 and 50,042.40 is: 69,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,275.65 : 121,819.88 = 50,042.40 : x
  2. Step 2: Convert to fraction form
    88,275.65/121,819.88 = 50,042.40/x
  3. Step 3: Cross multiply
    88,275.65x = 121,819.88 × 50,042.40
  4. Step 4: Simplify right side
    88,275.65x = 6,096,158,912.70
  5. Step 5: Solve for x
    x = 6,096,158,912.70/88,275.65
  6. Step 6: Final answer
    x = 69,058.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.